1177220253 has 16 divisors (see below), whose sum is σ = 1726477632. Its totient is φ = 713464400.

The previous prime is 1177220251. The next prime is 1177220263. The reversal of 1177220253 is 3520227711.

It is not a de Polignac number, because 1177220253 - 2¹ = 1177220251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1177220253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1177220251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143418 + ... + 151403.

It is an arithmetic number, because the mean of its divisors is an integer number (107904852).

Almost surely, 2^1177220253 is an apocalyptic number.

It is an amenable number.

1177220253 is a deficient number, since it is larger than the sum of its proper divisors (549257379).

1177220253 is an equidigital number, since it uses as much as digits as its factorization.

1177220253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294857 (or 294835 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1177220253 is about 34310.6434361118. The cubic root of 1177220253 is about 1055.8913733750.

Adding to 1177220253 its reverse (3520227711), we get a palindrome (4697447964).

The spelling of 1177220253 in words is "one billion, one hundred seventy-seven million, two hundred twenty thousand, two hundred fifty-three".